Using bitfields in storing struct members in C

bit_struct.c

#include <stdio.h>

/* A field for storing yes or no; uses 1 bit of storage. */
typedef struct {
    unsigned int food:1;            
    unsigned int metal_music:1;     
    unsigned int dressy_clothes:1;
    unsigned int football:1;
} likes;

/* Prototype for the function to display likes. */
void display(char *message, likes truth); 
  
int main(void)
{
    /* Set the values; A value of 0 for false and 1 for true. */
    likes me = {1,1,0,1};
    likes dad = {1,0,1,1};
  
    /* Bitwise operation AND of each element of the struct. */
    likes agree = {me.food & dad.food,
            me.metal_music & dad.metal_music,
            me.dressy_clothes & dad.dressy_clothes,
            me.football & dad.football};
  
    /* Bitwise operation XOR of each element of the struct. */
    likes disagree = {me.food ^ dad.food,
                      me.metal_music ^ dad.metal_music,
                      me.dressy_clothes ^ dad.dressy_clothes,
                      me.football ^ dad.football};
  
    display("Things we both like\n", agree);
    display("Things that we disagree on\n", disagree);
  
    return 0;
}
  
void display(char *message, likes truth) {
    puts(message);
    printf("Food: %s\n", truth.food ? "yes" : "no");
    printf("Heavy metal music: %s\n", truth.metal_music ? "yes" : "no");
    printf("Wearing dressy clothes: %s\n", truth.dressy_clothes ? "yes" : "no");
    printf("Football: %s\n", truth.football ? "yes" : "no");
    puts("");
}